<template>
    <div class="app-container">
    讲师列表
<!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>

    <!-- 表格 -->
    <el-table
      :data="teacherList"
      border
      fit
      highlight-current-row>
      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>
      <el-table-column prop="name" label="名称" width="80" />
      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
            {{scope.row.level===1?'高级讲师':'首席讲师'}}
        </template>
      </el-table-column>
      <el-table-column prop="intro" label="资历" />
      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>
      <el-table-column prop="sort" label="排序" width="60" />
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

<!-- 分页 -->
    <el-pagination
      :current-page="page" 
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />

    </div>
</template>
<script>
//引入调用teacher.js文件
import teacher from '@/api/edu/teacher'

export default {
    // 写核心代码位置
    data() { //定义变量和初始值
        return {
            teacherList: null, //查询之后接口返回集合
            page: 1,//当前页
            limit: 5, //每页记录数
            total: 0, //总记录数
            teacherQuery: {} //条件封装对象
        }
    },
    created() { //页面渲染之前执行，调用methods定义的方法
        this.getList();
    },
    methods: {  //创建具体方法，调用teacher.js方法
        //讲师列表的方法
        getList(page=1) {
            this.page = page;
            teacher.getTeacherListPage(this.page,this.limit,this.teacherQuery)
                   .then(response => {
                       //response接口返回的数据
                    //    console.log(response);
                    this.teacherList = response.data.rows;
                    this.total = response.data.total;
                    console.log(this.teacherList);
                    console.log(this.total);
                   }) //请求成功
                   .catch(error => {
                        console.log(error);
                   }) //请求失败
        },
        resetData() {
          //表单输入项数据清空
          this.teacherQuery = {};
          //查询所有数据
          this.getList();
        },
        removeDataById(id) {
          this.$confirm('此操作将永久删除讲师记录, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
          }).then(() => {  //点击确定，执行then方法
            //调用删除的方法
            teacher.deleteTeacher(id)
            .then(response=> { //删除成功
            //提示信息
            this.$message({ //删除成功
            type: 'success',
            message: '删除成功'
            });
            //回到列表页面
            this.getList();
            })
          });
        }
    }
}
</script>